PSNI detectives have issued a fresh appeal for information following the "horrendous crime".

Detective Inspector David Henderson said: "The elderly, vulnerable victim of this horrendous crime was in bed at around 2.30am on Monday morning when three men burst into his room."

"They ransacked the bedroom and attacked him with a sharp implement, possibly a hook."

The man sustained multiple serious stab wounds and remains in a critical condition in hospital.

"We have heard from several witnesses who were in the area at the time and we are grateful for their help, however we are keen to speak to others who have not yet come forward," Detective Henderson said.

He added: "We know from CCTV that there were several vehicles travelling on the McShanes Road at around the time the three men made their escape from the gentleman's home.

"I would like to appeal specifically to any motorist who was travelling on that stretch of road between 1.30am and 3.30am and who may have seen the three men or anything else that could be useful to investigators.

"This was a vile and terrifying attack on a vulnerable man in his own home, in the dead of night and we want to identify the callous criminals responsible and bring them to justice."

Witnesses or anyone who believes they can assist in the investigation in anyway can contact detectives in Northern Ireland.